28084870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1283}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 55468800

約数和(自身を除く): 27383930

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1283, 1990, 2189, 2566, 4378, 6415, 10945, 12830, 14113, 21890, 28226, 70565, 141130, 255317, 510634, 1276585, 2553170, 2808487, 5616974, 14042435, 28084870]

約数ペア:

[(1, 28084870), (2, 14042435), (5, 5616974), (10, 2808487), (11, 2553170), (22, 1276585), (55, 510634), (110, 255317), (199, 141130), (398, 70565), (995, 28226), (1283, 21890), (1990, 14113), (2189, 12830), (2566, 10945), (4378, 6415)]